Metabolism: What It Is, How It Works & Disorders - Cleveland Clinic
Metabolism is how your body turns food and drink into energy to keep you alive and functioning. It’s made up of all the chemical processes happening in your body’s cells every second. These processes help you breathe, move, heal and more.
Metabolism: Definition, Types, How It's Regulated, What Impacts It
Feb 8, 2023 · Metabolism is the sum of all chemical reactions in the body required to sustain life. These chemical processes involve energy and the breakdown and buildup of molecules and are regulated by hormones. Your metabolism can be impacted by age, sex, diet, exercise, sleep, and injury or disease.
Physiology, Metabolism - StatPearls - NCBI Bookshelf
Sep 12, 2022 · Metabolism refers to the whole sum of reactions that occur throughout the body within each cell and that provide the body with energy. This energy gets used for vital processes and the synthesis of new organic material.
Metabolism - Wikipedia
The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids, nucleic acids, and some carbohydrates; and the elimination of metabolic wastes.
Metabolism and weight loss: How you burn calories - Mayo Clinic
Oct 8, 2022 · Metabolism is the process by which the body changes food and drink into energy. During this process, calories in food and drinks mix with oxygen to make the energy the body needs. Even at rest, a body needs energy for all it does.
Metabolism: What It Does, What Affects It, and More - WebMD
Mar 5, 2024 · Metabolism is a series of processes that control how your body creates and uses energy. It converts food and drinks into energy in your body, which you can use both when you're...
The truth about metabolism - Harvard Health
Jul 23, 2024 · In simple terms, metabolism is the internal process by which your body expends energy and burns calories. It runs 24/7 to keep your body moving, even when you're resting or sleeping, by converting the food and nutrients you consume into the energy your body needs in order to breathe, circulate blood, grow and repair cells, and everything else ...
Metabolism | Definition, Process, & Biology | Britannica
Nov 10, 2024 · Metabolism, the sum of chemical reactions that take place in living cells, providing energy for life processes and the synthesis of cellular material. Living organisms are unique in that they extract energy from their environments via hundreds of coordinated, multistep, enzyme-mediated reactions.
Human Metabolism, Energy, Nutrients | Learn Science at Scitable
Here we describe how the three main classes of nutrients are metabolized in human cells and the different points of entry into metabolic pathways.
What is metabolism? - Live Science
Oct 14, 2021 · Metabolism is a process that occurs on a cellular level. It can be broken down into two forms: anabolism and catabolism. Anabolism is generally considered to be constructive metabolism, meaning...